precision, but it doesn't always bump the precision up enough.

In each case, Calc added about two digits of precision during

its calculation and then rounded back down to 12 digits

-afterward. In one case, it was enough; in the ~~the ~~other, it

+afterward. In one case, it was enough; in the other, it

wasn't. If you really need @var{x} digits of precision, it

never hurts to do the calculation with a few extra guard digits.

The @kbd{v p} (@code{calc-pack}) command can pack the top two numbers on

-the the stack into a composite object such as a complex number. With

-a prefix argument of @i{-1}, it produces a rectangular complex number;

+the stack into a composite object such as a complex number. With a

+prefix argument of @i{-1}, it produces a rectangular complex number;

with an argument of @i{-2}, it produces a polar complex number.

(Also, @pxref{Building Vectors}.)

falls in this hour results in a time value for the following hour,

from 3 a.m.@: to 4 a.m. At the end of daylight savings time, the

hour from 1 a.m.@: to 2 a.m.@: repeats itself; converting a date/time

-form that falls in ~~in ~~this hour results in a time value for the first

+form that falls in this hour results in a time value for the first

manifestion of that time (@emph{not} the one that occurs one hour later).

If @code{math-daylight-savings-hook} is @code{nil}, then the

The portion selected is always large enough to be considered a complete

formula all by itself, so selecting the parenthesis selects the whole

-formula that it encloses. Putting the cursor on the ~~the ~~@samp{+} sign

+formula that it encloses. Putting the cursor on the @samp{+} sign

would have had the same effect.

(Strictly speaking, the Emacs cursor is really the manifestation of

guess on the stack, and are prompted for the name of a variable. The guess

may be either a number near the desired minimum, or an interval enclosing

the desired minimum. The function returns a vector containing the

-value of the ~~the ~~variable which minimizes the formula's value, along

+value of the variable which minimizes the formula's value, along

with the minimum value itself.

Note that this command looks for a @emph{local} minimum. Many functions

@defun format-value a width

Convert the Calc number or formula @var{a} to string form, using the

-format seen in the stack buffer. Beware the ~~the ~~string returned may

+format seen in the stack buffer. Beware the string returned may

not be re-readable by @code{read-expr}, for example, because of digit

grouping. Multi-line objects like matrices produce strings that

contain newline characters to separate the lines. The @var{w}